package case1.core.observer;

/**
 * description:
 * 呱呱叫学家
 * @author Yuanml on 2020/11/5 17:14
 */
public class Quackologist implements Observer {

    @Override
    public void update(QuackObservable duck) {
        System.out.println("Quackologist" + "[" + this + "]: " + duck + " just quacked");
    }
}
